JACKSON, Mich. & ST. LOUIS PARK, Minn.- Richmond Brothers, Inc., a Michigan-based SEC registered investment advisor and wealth management firm that is the largest beneficial owner of Rockwell Medical, Inc. (NASDAQ:RMTI) (“Rockwell” or the “Company”), and Mark H. Ravich, who together with their affiliates beneficially own over 6.1 million shares, or 11.8% of the Company’s outstanding common stock, today sent a letter to Rockwell shareholders urging them to vote for Mark H. Ravich for election to the Board at the upcoming annual meeting of shareholders. The full text of the letter follows: April 21, 2017 Dear Fellow ...